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Note:
The chemical dispensing pump speeds are not set at the factory because variations in the
type of chemicals supplied by the chemical supplier usually require that the supplier
make nal the adjustments.
1. Adjustment screws are provided for the dispensing pumps and for the wash tank ll. They are
located on the right-side of the dishwasher behind the lower front access panel.
2. Make sure the chemical containers are full and the
pick-up tubes are in the proper containers.
3. Turn the dishwasher power switch ON.
The switch will illuminate and the dishwasher
will ll with water.
4. The chemical supplier should run a normal dishwasher
cycle and test detergent and rinse-aid concentrations
according to the chemical supplier's instructions.
Caution:
Excessive pressure to the potentiometers when adjusting can result in
bent or broken adjusting screws.
5. Each dispensing pump has a clearly marked
adjustment screw. Turn the screw CW to increase
the time of the dispensing pump and CCW to
reduce the dispensing pump time.
6. The Fill adjustment screw will provide a small
change in the tank water level. If a large adjustment
is needed, then check the incoming water pressure
making sure the ll hose is not kinked. If the above items
are okay then the size of the incoming water supply
should be evaluated.
7. NOTE:
For Models 501HT, 501HTN,
use detergent and rinse-aid only, a sanitizer
is not required.
8. For Model 501LT and 201LT, detergent, rinse-aid and
sanitizer are used.
5.25% sodium hypochlorite (chlorine beach) must be used as a sanitizing agent to provide a
minimum concentration of 50 ppm in the final rinse. The 50 ppm concentration must be checked
using chlorine test strips to make sure that the proper concentration is maintained.
Initial Start-up
Chemical Dispensers
Turning the chemical dispenser
adjusting Screws increase or
decrease the chemical dispensed.
All Models
Proper Water Level in the Wash Tank.
Chemical Dispensing Pump Speed and Tank Fill Adjustments